Lesson 19: Inference for Independence of Categorical Data

Conduct a Hypothesis Test for a Test of independence for categorical data:

• State the null and alternative hypothesis.
• Show the appropriate numerical and graphical summaries that support the hypothesis test.
• Check the requirements for the hypothesis test.
• Calculate the test-statistic, degrees of freedom, and \(p\)-value of the hypothesis test.
• Assess the statistical significance by comparing the \(p\)-value to the significance level, \(\alpha\).
• Draw a correct conclusion for the hypothesis test.